<template>
	<view class="preview" v-if="currentInfo">
		<swiper circular :current="currentIndex" @change="swiperChange">
			<swiper-item v-for="(item,index) in classList" :key="item._id">
				<image v-if="readImgs.includes(index)" @click="maskChange" :src="item.picurl" mode="aspectFill"></image>
			</swiper-item>
		</swiper>

		<view class="mask" v-if="maskState">
			<view class="goBack" @click="goBack" :style="{top:getStatusBarHeight()+'px'}">
				<uni-icons type="back" color="#fff" size="20"></uni-icons>
			</view>
			<view class="count">
				{{currentIndex+1}}/{{classList.length}}
			</view>
			<view class="time">
				<uni-dateformat :date="new Date()" format="hh:mm"></uni-dateformat>
			</view>
			<view class="date">
				<uni-dateformat :date="new Date()" format="MM月dd日"></uni-dateformat>
			</view>
			<view class="footer">
				<view class="box" @click="clickInfo">
					<uni-icons type="info" size="28"></uni-icons>
					<view class="text">
						信息
					</view>
				</view>
				<view class="box" @click="clickScore">
					<uni-icons type="star" size="28"></uni-icons>
					<view class="text">
						{{currentInfo.score}}分
					</view>
				</view>
				<view class="box" @click="clickDowanload">
					<uni-icons type="download" size="28"></uni-icons>
					<view class="text">
						下载
					</view>
				</view>
			</view>
		</view>

		<uni-popup ref="infoPopup" type="bottom">
			<view class="infoPopup">
				<view class="popHeader">
					<view class=""></view>
					<view class="title">
						壁纸信息
					</view>
					<view class="close" @click="clickInfoClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>
				<scroll-view scroll-y="true">
					<view class="content">
						<view class="row">
							<view class="label">
								壁纸ID：
							</view>
							<text selectable class="value">{{currentInfo._id}}</text>
						</view>
						<!-- <view class="row">
							<view class="label">
								分类：
							</view>
							<text selectable class="value class">明星美女</text>
						</view> -->
						<view class="row">
							<view class="label">
								发布者：
							</view>
							<text selectable class="value">{{currentInfo.nickname}}</text>
						</view>

						<view class="row">
							<view class="label">
								评分：
							</view>
							<view class="value roteBox">
								<uni-rate readonly touchable :value="currentInfo.score" size="16" />
								<text class="score">{{currentInfo.score}}分</text>
							</view>
						</view>

						<view class="row">
							<text class="label">
								摘要：
							</text>
							<view class="value">
								{{currentInfo.description}}
							</view>
						</view>

						<view class="row">
							<text class="label">标签：</text>
							<view class="value tabs">
								<view class="tab" v-for="tab in currentInfo.tabs" :key="tab">
									{{tab}}
								</view>
							</view>
						</view>

						<view class="copyright">
							声明：本图片来自用户投稿，非商业使用，用于免费学习交流，如侵犯了您的权益，您可以拷贝壁纸ID联系管理员举报，邮箱2012524535@qq.com,管理将删除侵权壁纸，维护您的权益。
						</view>
						<view class="safe-area-inset-bottom"></view>
					</view>
				</scroll-view>
			</view>
		</uni-popup>

		<uni-popup ref="scorePopup" :is-mask-click="false">
			<view class="scorePopup">
				<view class="popHeader">
					<view class=""></view>
					<view class="title">
						{{isScore?'评分过了':'壁纸评分'}}
					</view>
					<view class="close" @click="clickScoreClose">
						<uni-icons type="closeempty" size="18" color="#999"></uni-icons>
					</view>
				</view>

				<view class="content">
					<uni-rate v-model="userScore" allowHalf :disabled="isScore" disabled-color="#fdcb43" />
					<text class="text">{{userScore}}分</text>
				</view>

				<view class="footer">
					<button @click="submitScore" :disabled="!userScore || isScore" type="default" size="mini"
						plain>确认评分</button>
				</view>
			</view>
		</uni-popup>
	</view>
</template>

<script setup>
	import {
		ref
	} from 'vue';
	import {
		onLoad,
		onShareAppMessage,
		onShareTimeline
	} from "@dcloudio/uni-app";
	import {
		getStatusBarHeight
	} from "@/utils/system.js";
	import {
		apiGetSetupScore,
		apiWriteDownload,
		apiDetailWall
	} from "@/api/apis.js";
	const maskState = ref(true);
	const infoPopup = ref(null);
	const scorePopup = ref(null);
	const userScore = ref(0);
	const classList = ref([]);
	const currentId = ref(null);
	const currentIndex = ref(0);
	const currentInfo = ref(null);
	const isScore = ref(false);
	const readImgs = ref([]);

	const storageClassList = uni.getStorageSync("storageClassList") || [];
	classList.value = storageClassList.map(item => {
		return {
			...item,
			picurl: item.smallPicurl.replace("_small.webp", ".jpg")
		}
	})

	onLoad(async (e) => {
		currentId.value = e.id;
		if(e.type == "share"){
			let res = await apiDetailWall({
				id:currentId.value
			})
			classList.value = res.data.map(item=>{
				return {
					...item,
					picurl: item.smallPicurl.replace("_small.webp", ".jpg")
				}
			})
			console.log(res);
		}
		currentIndex.value = classList.value.findIndex(item => item._id == currentId.value);
		currentInfo.value = classList.value[currentIndex.value];
		readImgsFun();
		console.log(currentIndex.value, currentId.value);
		console.log(classList.value)
	})

	const swiperChange = (e) => {
		currentIndex.value = e.detail.current;
		currentInfo.value = classList.value[currentIndex.value];
		readImgsFun();
		console.log(e);
	}


	// 点击info弹窗
	const clickInfo = () => {
		infoPopup.value.open();
	}

	// 点击关闭信息弹窗
	const clickInfoClose = () => {
		infoPopup.value.close();
	}

	// 评分弹窗
	const clickScore = () => {
		if (currentInfo.value.userScore) {
			isScore.value = true;
			userScore.value = currentInfo.value.userScore
		}
		scorePopup.value.open();
	}

	// 关闭评分框
	const clickScoreClose = () => {
		scorePopup.value.close();
		userScore.value = 0;
		let timer = setTimeout(() => {
			isScore.value = false;
		}, 300)
		if (!isScore.value) {
			clearTimeout(timer);
		}
	}

	// 确认评分
	const submitScore = async () => {
		uni.showLoading({
			title: "加载中……"
		})
		let {
			classid,
			_id: wallId
		} = currentInfo.value;
		let res = await apiGetSetupScore({
			classid,
			wallId,
			userScore: userScore.value
		})
		uni.hideLoading();
		if (res.errCode === 0) {
			uni.showToast({ // 显示消息提示框
				title: "评分成功",
				icon: "none"
			})
			classList.value[currentIndex.value].userScore = userScore.value;
			uni.setStorageSync("storageClassList", classList.value);
			clickScoreClose();
		}
		if (res.errCode != 0) return;
		console.log(currentInfo.value);
	}

	// 遮罩层状态
	const maskChange = () => {
		maskState.value = !maskState.value
	}

	// 返回上一页
	const goBack = () => {
		uni.navigateBack({
			success: () => {
				
			},
			fail: (err) => {
				uni.reLaunch({
					url: "/pages/index/index"
				})
			}
		});
	}

	// 点击下载
	const clickDowanload = async () => {
		// #ifdef H5
		uni.showModal({
			content: "请长按保存壁纸",
			showCancel: false
		})
		// #endif

		// #ifndef H5
		try {
			uni.showLoading({
				title: "下载中……",
				mask: true
			})

			let {
				classid,
				_id: wallId
			} = currentInfo.value;
			let res = await apiWriteDownload({
				classid,
				wallId
			})
			if (res.errCode != 0) throw res;
			console.log(res);
			uni.getImageInfo({
				src: currentInfo.value.picurl,
				success: (res) => {
					uni.saveImageToPhotosAlbum({
						filePath: res.path,
						success: (res) => {
							console.log(res);
						},
						fail: (err) => {
							if (err.errMsg == 'saveImageToPhotosAlbum:fail cancel') {
								uni.showToast({
									title: "保存失败，请重新点击下载",
									icon: "none"
								})
								return;
							}
							uni.showModal({
								title: "提示",
								content: "需要授权保存相册",
								success: (res) => {
									if (res.confirm) {
										uni.openSetting({
											success: (setting) => {
												console.log(
													setting)
												if (setting
													.authSetting[
														'scope.writePhotosAlbum'
													]) {
													uni.showToast({
														title: "获取授权成功",
														icon: "none"
													})
												} else {
													uni.showToast({
														title: "获取授权失败",
														icon: "none"
													})
												}
											}
										}) // 手动开启授权
									}
								}
							})
						},
						complete: () => {
							uni.hideLoading();
						}
					})
				}
			})
		} catch (err) {
			//TODO handle the exception
			console.log(err);
			uni.hideLoading();
		}
		// #endif
	}

	function readImgsFun() {
		readImgs.value.push(
			currentIndex.value <= 0 ? classList.value.length - 1 : currentIndex.value - 1,
			currentIndex.value,
			currentIndex.value >= classList.value.length - 1 ? 0 : currentIndex.value + 1
		);
		readImgs.value = [...new Set(readImgs.value)]; // 去重唯一性
	}

	// 分享给好友
	onShareAppMessage((e) => {
		return {
			title: "咸虾米壁纸",
			path: "/pages/preview/preview?id=" + currentId.value + "&type=share"
		}
	})

	// 分享朋友圈
	onShareTimeline(() => {
		return {
			title: "咸虾米壁纸",
			query: "id=" +  currentId.value + "&type=share"
		}
	})
</script>

<style lang="scss" scoped>
	.preview {
		width: 100%;
		height: 100vh;
		position: relative;

		swiper {
			width: 100%;
			height: 100%;

			image {
				width: 100%;
				height: 100%;
			}
		}

		.mask {
			&>view {
				position: absolute;
				left: 0;
				right: 0;
				color: #fff;
				margin: auto;
				width: fit-content; //默认设置内容区域的宽度，但如果 box-sizing 属性被设置为 border-box，就转而设置边框区域的宽度。
			}

			.goBack {
				width: 38px;
				height: 38px;
				background: rgba(0, 0, 0, 0.5);
				left: 30rpx;
				margin-left: 0;
				border-radius: 100px;
				top: 0;
				backdrop-filter: blur(10rpx);
				border: 1rpx solid rgba(255, 255, 255, 0.3);
				display: flex;
				align-items: center;
				justify-content: center;
			}

			.count {
				top: 10vh;
				background: rgba(0, 0, 0, 0.3);
				font-size: 28rpx;
				color: #fff;
				border-radius: 40rpx;
				padding: 8rpx 28rpx;
				letter-spacing: 10rpx;
				backdrop-filter: blur(10rpx);
			}

			.time {
				font-size: 140rpx;
				top: calc(10vh + 80rpx);
				font-weight: 100;
				line-height: 1em;
				text-shadow: 0 4rpx rgba(0, 0, 0, 0.3);
			}

			.date {
				font-size: 34rpx;
				top: calc(10vh + 230rpx);
				text-shadow: 0 2rpx rgba(0, 0, 0, 0.3);
			}

			.footer {
				background-color: rgba(255, 255, 255, 0.8);
				bottom: 10vh;
				width: 65vw;
				height: 120rpx;
				border-radius: 60rpx;
				color: #000;
				display: flex;
				justify-content: space-around;
				align-items: center;
				flex-direction: row;
				box-shadow: 0 2rpx 0 rgba(0, 0, 0, 0.1);
				backdrop-filter: blur(20rpx);

				.box {
					display: flex;
					flex-direction: column;
					justify-content: center;
					align-items: center;
					padding: 2rpx 12rpx;

					.text {
						font-size: 26rpx;
						color: $text-font-color-2;
					}
				}
			}
		}

		.popHeader {
			display: flex;
			justify-content: space-between;
			align-items: center;

			.title {
				color: $text-font-color-2;
				font-size: 26rpx;
			}

			.close {
				padding: 6rpx;
			}
		}

		.infoPopup {
			background: #fff;
			padding: 30rpx;
			border-radius: 30rpx 30rpx 0 0;
			overflow: hidden;

			scroll-view {
				max-height: 60vh;

				.content {
					.row {
						display: flex;
						padding: 16rpx;
						flex-direction: row;
						line-height: 1.7em;

						.label {
							color: $text-font-color-3;
							width: 140rpx;
							text-align: right;
							font-size: 30rpx;
						}

						.value {
							flex: 1;
							width: 0;
						}

						.roteBox {
							display: flex;
							align-items: center;

							.score {
								font-size: 26rpx;
								color: $text-font-color-3;
								padding-left: 10rpx;
							}
						}

						.tabs {
							display: flex;
							flex-wrap: wrap;

							.tab {
								border: 1px solid $brand-theme-color;
								color: $brand-theme-color;
								font-size: 22rpx;
								padding: 10rpx 30rpx;
								border-radius: 40rpx;
								line-height: 1em;
								margin: 0 10rpx 10rpx 0;
								box-sizing: border-box;
							}
						}

						.class {
							color: $brand-theme-color;
						}
					}

					.copyright {
						font-size: 28rpx;
						padding: 20rpx;
						background: #f6f6f6;
						color: #666;
						border-radius: 10rpx;
						margin: 20rpx 0;
						line-height: 1.6em;
					}
				}
			}
		}

		.scorePopup {
			background: #fff;
			padding: 30rpx;
			width: 70vw;
			border-radius: 30rpx;

			.content {
				padding: 30rpx 0;
				display: flex;
				justify-content: center;
				align-items: center;

				.text {
					color: #ffca3e;
					padding-left: 10rpx;
					width: 80rpx;
					line-height: 1em;
					text-align: right;
				}
			}

			.footer {
				padding: 10rpx 0;
				display: flex;
				justify-content: center;
				align-items: center;
			}
		}
	}
</style>